3309644 has 12 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 1527504.

The previous prime is 3309637. The next prime is 3309659. The reversal of 3309644 is 4469033.

It is a happy number.

3309644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31772 + ... + 31875.

It is an arithmetic number, because the mean of its divisors is an integer number (519792).

Almost surely, 2^3309644 is an apocalyptic number.

It is an amenable number.

3309644 is a deficient number, since it is larger than the sum of its proper divisors (2927860).

3309644 is a wasteful number, since it uses less digits than its factorization.

3309644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63664 (or 63662 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3309644 is about 1819.2426995868. The cubic root of 3309644 is about 149.0254449586.

The spelling of 3309644 in words is "three million, three hundred nine thousand, six hundred forty-four".